ABOUT THE LORENZ NAPPA LEATHER RANGE. The Lorenz range of Nappa Leather bags are designed with style, function, and practicality in mind. Nappa Leather is soft, supple, extremely lightweight and hard wearing. The designs are stylish yet practical, many with multi compartment and organiser sections meaning they are ideal for everyday use. Do not be misled by the discount and cheap prices the Lorenz range is sold for here at The Bag Shop, they are superb quality bags and comparable to many designer and more expensive brands.